I've been trying, but I don't see the connection.

At the time they sold several other compilers. "C, C++, FORTRAN and Pascal are priced at U.S. $2,000 quantity one and Modula-2 at U.S. $2,200 quantity one" says http://ftp.lanet.lv/ftp/sun-info/sunflash/1990/Apr/16.13.com... .

C++ wasn't a standard, but it was unbundled. FORTRAN was a standard, and it was also unbundled. How does being ANSI C affect things?

The point being that ANSI C compliance required compiler changes.

How does that affect anything? Unbundling doesn't depend on changing the compiler. I don't see how the business model is affected by ANSI standardization. How would things have been different if C were standardized in 1984 instead?

It may be that vendors uses it as an opportunity to unbundle (eg HP-UX).

I don't understand how it makes a difference. Unbundling is a sales strategy. They could have unbundled even without changing the compiler at all.

In any case, the literature I read (see earlier links) included discussion about improved optimizations, so even without ANSI there was a differentiation between the new unbundled compiler and the old bundled one.

Why do you think it's anything more than a coincidence?